prettierify

Adds prettier to your project in one command. Just run npx prettierify in the root of your project.

Optionally create a file ~/.prettierrc in your home directory. At recogizer, for example, we use the following config:

{ 
  "semi": false, 
  "singleQuote": true,
  "trailingComma": "all"
} 

The command npx prettierify does several things:

1. Runs npm i -D husky lint-staged prettier
2. Creates a file .prettierrc. It is a copy of ~/.prettierrc from your home directory.
3. Adds lint-staged block to package.json.

"lint-staged": { 
    "*.{js,json,css}": ["prettier --write", "git add"], 
    "*.ts": [ 
      "tslint --fix -c ./tslint.json 'src/**/*{.ts,.tsx}'", 
      "prettier --write", 
      "git add" 
    ] 
},

4. In package.json, adds a line to scripts: "precommit": "lint-staged"
5. Finally, prettierify applies prettier to all files in your project.

Steps 1-4 add a pre-commit hook that guarantees all your files will be formatted before commits.